Mostrando ítems 61-64 de 64

    Magnetocaloric Effect In Gd5(SixGe1-x)4 Alloys 

    Casanova i Fernàndez, Fèlix (Fecha de defensa: 2004-03-09)

    This Ph.D. Thesis has been devoted to the preparation and characterisation of bulk Gd5(SixGe1-x)4 alloys and to the study of the magnetocaloric effect at the first-order magnetostructural transition appearing in these ...

    Cuantización de ondas gravitatorias planas 

    Montejo Estevez, Manuel (Fecha de defensa: 1999-11-09)

    El objetivo de esta tesis es construir un modelo cuántico para las ondas gravitatorias planas, unas soluciones de vacío de las ecuaciones de Einstein que presentan simetrías análogas a las ondas electromagnéticas en un ...

    Correlated Stochastic Dynamics in Financial Markets. 

    Perelló, Josep, 1974- (Fecha de defensa: 2001-12-20)

    Thesis investigates the dynamics of financial markets. Nowadays, this is one of the emergent fields in physics and requires a multidisciplinary approach. The thesis studies the first work made by the financial mathematicians ...

    Large Scale Excitations in Disordered Systems 

    Sales Pardo, Marta (Fecha de defensa: 2002-11-22)

    Disorder is present in many systems in nature and in many different versions. For instance, the dislocations of a crystal lattice, or the randomness of the interaction between magnetic moments. One of the most studied ...